Transformer : 16vAC = 21vDC
Misc : DIP14 IC Sockets

IC1 - LM327 (Quad Opamp)
IC2 - LM7815 (Heatsink!)

T1  - BUZ22 or IRF540 (Heatsink!)
T2  - 2n7002 or BS170 (Small signal N-Channel Mosfet)

P1  - 20k (Linear)
P2  -  2k (Linear)

D1  - Led Orange 3mm (Constant I Mode active)
D2  - Led Green  3mm (Constant V Mode active)
D3  - 1N4148

(All rated 35V or Higher)
C1  - 100uF / 40V
C2  -  10uF / 25V
C3  - 100nF
C4  - 100nF
C5  - 100nF
C6  - 100nF
C7  - 10uF / 25V
C8  - 100nF

 R1  - 3.3K
 R2  - 3.3K
 R3  - 10K
 R4  - 10K
 R5  - 10K
 R6  - 10K
 R7  - 10K
 R8  - 1K
 R9  - 10K
 R10 - 100K
 R11 - 10K
 R12 - 1K
 R13 - 1K
 R14 - 1K
 R15 - 0.33Ohm (0.5W)
 R16 - 10K
 R17 - 0.33Ohm (0.5W)
 R18 - 1K
 R19 - 1K
 R20 - 10K
 R21 - 1K

*note : IC2 & T1 heatsinks MUST be seperate and should NOT touch for proper circuit operation.

*Board Dimensions : 64mm x 95mm